oj.uz

Submission #849305

# Submission time Handle Problem Language Result Execution time Memory
849305 2023-09-14T12:23:26 Z JoksimKaktus Election (BOI18_election) C++17
28 / 100
 3000 ms 1276 KB 
#include <bits/stdc++.h>

using namespace std;
#define ll long long;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(0);
    int n,q;
    string s;
    cin >> n >> s >> q;
    for(int i = 0;i < q;i++){
        int l,r;
        cin >> l >> r;
        vector <bool> vis(n,false);
        int c = 0;
        int t = 0;
        for(int j = l-1; j < r;j++){
            if(s.at(j) == 'C'){
                c++;
            }else{
                t++;
                if(t > c){
                    t--;
                    vis[j] = true;
                }
            }
        }
        c = 0;
        t = 0;
        for(int j = r-1; j >= l-1;j--){
            if(s.at(j) == 'C'){
                c++;
            }else if(!vis[j]){
                t++;
                if(t > c){
                    t--;
                    vis[j] = true;
                }
            }
        }
        int res = 0;
        for(int j = l-1;j < r;j++){
            if(vis[j]){
                res++;
            }
        }
        cout << res << "\n";
    }
}

Subtask #1
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 5 ms 544 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 4 ms 344 KB Output is correct

Subtask #2
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 5 ms 544 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Execution timed out 3055 ms 1276 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 5 ms 544 KB Output is correct
4 Correct 5 ms 348 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Execution timed out 3055 ms 1276 KB Time limit exceeded
7 Halted 0 ms 0 KB -